https://www.rrauction.com/bidtracker_detail.cfm?IN=108Extraordinary pairing of letters from Tolkien to Mary Fairburn, an artist who sent him paintings of several scenes from Lord of the Rings: TLS, one page, 7 x 9, personal letterhead, May 24, 1968ALS, two pages both sides, 5.25 x 7, personal letterhead, October 10, 1968Also includes on of Fairburn’s original Lord of the Rings sketches, showing the castle at Minas Tirith, accomplished in pencil on a white 11.5 x 16.5 sheet. Signed in the lower right corner in pencil, “Fairburn.” Estimate: $12,000+